diff --git a/.github/workflows/frontend-admin-tests.yml b/.github/workflows/frontend-admin-tests.yml
index fc6dfb6b6..1477ba0b5 100644
--- a/.github/workflows/frontend-admin-tests.yml
+++ b/.github/workflows/frontend-admin-tests.yml
@@ -55,7 +55,7 @@ jobs:
         # We intentionally install an old ep_align version to test upgrades to
         # the minor version number. The --legacy-peer-deps flag is required to
         # work around a bug in npm v7: https://github.com/npm/cli/issues/2199
-        run: pnpm install --workspace root ep_align@0.2.27
+        run: pnpm install --workspace-root ep_align@0.2.27
       # Etherpad core dependencies must be installed after installing the
       # plugin's dependencies, otherwise npm will try to hoist common
       # dependencies by removing them from src/node_modules and installing them